KENWOOD SO-3 SO3 TCXO hi-stability crystal controlled oscillator Unit New Boxed | eBay
KENWOOD SO-3 SO3 TCXO hi-stability crystal controlled oscillator Unit New Boxed | eBay
KENWOOD TS590SG [TS590SG] - $1,428.95 : R&L Electronics, Amateur radio store
Kenwood TS-480: TCXO unit installation (SO-3 Replica) - YouTube
Kenwood High Stability TCXO SO-3 – Jahnke Electronics
KENWOOD SO-3 SO3 tcxo unit Hi-stability Crystal Controlled Oscillator Unit Box | eBay
The cheap Chinese copies of the Kenwood TCXO boards are rubbish, I bought and installed a superb TCXO from Mark Goldberg, W7MLG. The results are fantastic, my TS-590SG is now spot on
Kenwood SO-3 High Stability Temperature Compensated Crystal Oscillator TCXO Unit | eBay